Filter housing



FIG. 1 is a perspective view of a filter housing embodying the new design;

FIG. 2 is a side elevational view of the filter housing of FIG. 1;

FIG. 3 is a front elevational view of the filter housing of FIG. 1;

FIG. 4 is a side elevational view of the filter housing of FIG. 1, opposite to that of FIG. 2;

FIG. 5 is a back elevational view of the filter housing of FIG. 1, opposite to that of FIG. 3;

FIG. 6 is a top plan view of the filter housing of FIG. 1; and,

FIG. 7 is a bottom plan view of the filter housing of FIG. 1. 

The ornamental design for a filter housing, as described and shown. 